DevOps – Page 5 – ITFROMZERO

Mastering Database Auditing on PostgreSQL with pgaudit: Tracking Every Change and Securing Your System

By admin April 19, 2026

Stop losing data without knowing why. A detailed guide on installing and optimizing pgaudit on PostgreSQL to monitor every action and strengthen production system security.

Security

Self-hosting Vaultwarden with Docker: Lightweight and Secure ‘Personal’ Password Management

By admin April 19, 2026

Don't let passwords be your biggest weakness. This article guides you through deploying Vaultwarden with Docker to take full control of your data at near-zero cost.

Git

Git Filter-Repo: Permanently Remove Sensitive Data and Large Files from Repository History

By admin April 18, 2026

git-filter-repo is the officially recommended Git tool for permanently removing sensitive files, API keys, passwords, and large files from your entire repository history. This guide covers everything from installation and file removal to secret replacement, force pushing, and preventing future incidents.

Artificial Intelligence tutorial - IT technology blog

Automating ‘Log Peeking’: Lightning-Fast Error Analysis and Summarization with DeepSeek and Python

By admin April 18, 2026

Learn how to build a Python script to automatically analyze error logs using the DeepSeek API. A practical solution to help DevOps summarize incidents and find root causes in seconds.

Docker

Cleaning Up Your Dockerfile with Hadolint: Stop Bloated and Insecure Images

By admin April 18, 2026

Are your Dockerfiles heavy and insecure? Use Hadolint to automate Best Practice checks. This guide covers image optimization, security patching, and CI/CD integration.

Docker

Migrating Docker Containers to a New Server: A ‘Manual’ but Rock-Solid Method

By admin April 17, 2026

Can't use a Docker Registry for migration? Try the docker save, load, and rsync combo. A detailed guide on safely moving containers and data to a new server.

Security

Implementing End-to-End TLS/SSL: Don’t Leave Data ‘Exposed’ in Your Internal Network

By admin April 17, 2026

Don't let traffic between your Web Server and Database run 'exposed'. A detailed guide on implementing End-to-End TLS/SSL for comprehensive data protection within your internal network.

Docker

Docker Secrets: Don’t Expose Passwords via a Clumsy ‘inspect’ Command

By admin April 17, 2026

Learn how to use Docker Secrets to protect passwords and API keys instead of exposing them via environment variables. A practical guide for Swarm and Compose v2.

Git

Gitea Installation: Build Your Own High-Performance, Low-Cost Git Server

By admin April 17, 2026

Gitea is the perfect high-performance, low-cost Git Server alternative to GitLab for low-spec VPS. This guide provides step-by-step instructions for Docker installation, Nginx configuration, and real-world tips for stable operation.

Docker

Implementing Zero-Downtime Blue-Green Deployment with Docker Compose & Nginx

By admin April 15, 2026

Don't let customers see 502 errors every time you update code. Discover the secret to simple Blue-Green Deployment with Docker Compose and Nginx for true Zero-Downtime.